There is no update to the Python client for Linux, the version released with 1.3.0 will run against 1.3.3 server. There’s also an updated Python client available. The existing 1.3.0 installer will now actually install 1.3.3. All the details for getting and running the client are available in the wiki here: http://wiki.xibo.org.uk/wiki/Install_Guide_Python_Client